Thunder Power RC 2250mAh 3-Cell/3S 11.1V G6 Pro Performance 45C LiPo Battery Max Continuous Discharge: 45C Max Continuous Current: 11A Weight (grams): 193; Dimensions H x W x L (mm): 26 x 35 x 12 Ideal battery for T-Rex 45 and other similar class helicopters Adult supervision is required